Troubleshooting - Power Fist 8843617 Manual

V1.0

TROUBLESHOOTING

Visit a Princess Auto Ltd. location for a solution if the tool does not function
properly or parts are missing. If unable to do so, have a qualified technician
service the tool.
Problem(s)
Tool runs at normal
speed, but loses
power under load.
Tool runs slowly. Air
flows slightly from
exhaust.
Tool runs slowly. Air
flows slightly from
exhaust.
Tools will not run.
Air flows freely from
exhaust.
Impact tools will not
run. Air flows freely
from exhaust.
Visit www.princessauto.com for more information
Air Needle Scaler
Possible Cause(s)
Motor parts worn.
Motor parts
jammed with dirt
particles.
OR
Airflow blocked by
dirt.
1. Air regulator in
closed position.
2. Damage or
excessive
wearing of
internal parts.
Damage or
excessive wearing
of internal parts.
Piston is jammed
Suggested Solution(s)
1. Have a qualified technician service the
tool.
2. Replace tool or parts.
1. Check air inlet filter for blockage.
2. Pour air tool lubricating oil into air
inlet as per lubrication instructions for
clearing shipping grease.
3. Operate tool in short bursts to clear
debris.
4. If tool still jammed, clean tool and
lubricate per lubrication instructions.
1. Open the air regulator to desired
airflow.
2a. Have a qualified technician service
the tool.
2b. Replace tool or parts.
1. Have a qualified technician service the
tool.
2. Replace tool or parts.
1. Remove chisel and spring retainer.
2. Push punch through hole in the
cylinder until resting against the
piston.
3. Sharply strike punch with a hammer
to loosen piston.
4. If still jammed, disassemble barrel
from housing and use punch to push
piston through the rear of barrel.
5. Clean the barrel and piston. Remove
any rust.
6. Reassemble.
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